The Golf MK6 is the successor to the Mk5 ranging from 2010 thru the first half of 2013. The MK6 is in actuality a facelift of the MK5 which offer similar resemblances along with the ability to interchange some parts. Depending on market, the MK6 is equipped with 8 engine configurations along with 5 various drivetrain configurations.
US Golf's/GTI's were offered with the 2.5L inline 5, a 2.0L TDI, and the 2.0L TSI engine.
The Golf and GTI do offer different exterior and interior components which can make ordering merchandise vehicle specific at times, so feel free to ask questions at anytime. Any components which are vehicle specific will be detailed in Fitment.